<template>
  <li>
    <label>
      <input type="checkbox" :checked="arr.done" @input="todoChened(arr.id)" /><span>{{ arr.title }}</span>
    </label>
    <button class="btn btn-danger" @click="todoDelete(arr.id)">删除</button>
  </li>
</template>

<script>
export default {
  name: 'Item',
  props: ['arr', 'updataDelete', 'updataChecked'],
  methods: {
    // 删除的回调
    todoDelete(id) {
      // 把id传给父组件,删除数据
      this.updataDelete(id)
    },
    // 勾选的回调
    todoChened(id) {
      this.updataChecked(id);
    }
  },
}
</script>

<style scoped>
/*item*/
li {
  list-style: none;
  height: 36px;
  line-height: 36px;
  padding: 0 5px;
  border-bottom: 1px solid #ddd;
}

li label {
  float: left;
  cursor: pointer;
}

li label li input {
  vertical-align: middle;
  margin-right: 6px;
  position: relative;
  top: -1px;
}

li button {
  float: right;
  display: none;
  margin-top: 3px;
}

li:hover button {
  display: inline-block;
}

li:hover {
  background-color: #ccc;
}

li:before {
  content: initial;
}

li:last-child {
  border-bottom: none;
}
</style>